IBPGR and ICRISAT. (1993). Descriptors for pigeonpea [Cajanus cajan (L.) Millsp.]. International Board for Plant Genetic Resources, Rome, Italy; International Crops Research Institute for the Semi-Arid Tropics, Pantacheru, India.
| Code | Term | Description |
|---|---|---|
| 1 | Erect and compact | |
| 2 | Semi-spreading | |
| 3 | Spreading | |
| 4 | Trailing |
At maturity
Number of plants at harvest
Branches born on secondary branches
| Code | Term | Description |
|---|---|---|
| 4.1.4.1 | Primary | |
| 4.1.4.2 | Secondary | |
| 4.1.4.3 | Teritary |
Royal Horticulture Society (RHS), colour codes are given in parentheses beside descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | Green | Yellow-green group 144B |
| 2 | Sun red | Greyed-red group 178B |
| 3 | Purple | Greyed-purple group 183A |
| 4 | Dark Purple | Greyed-purple colour 187A |
| Code | Term | Description |
|---|---|---|
| 3 | Thin < 5mm | |
| 5 | Intermediate | 5-13 mm |
| 7 | Thick > 13 mm |
Area of middle leaflet on secondary branch
| Code | Term | Description |
|---|---|---|
| 1 | Lanceolate | |
| 2 | Narrow-elliptic | |
| 3 | Broad-elliptic | |
| 4 | Obcordate |
lower surface of the leaves
| Code | Term | Description |
|---|---|---|
| 1 | Glabrous | |
| 2 | Pubescent |
From sowing to first irrigation/rainfall to when 50% of the plants flower
From 50% flowering to the end of flowering
Legend:
Low
Intermediate
High
From sowing to first irrigation/rainfall to 75% maturity
Msin colour of the petals. Royal Horticulture Society (RHS) colour codes are given in parentheses beside descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | Ivory | Green-yellow group 1 |
| 2 | Light yellow | Yellow froup 6D |
| 3 | Yellow | Yellow-green group 14 A |
| 4 | Orange-yellow | Orange-red group 31A |
Colour of streaks on dorsal side of the vexillum (flag) and second colour of the wings and keel. RHS colour codes are given in paretheses beside the descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | Red | Red group 45A |
| 2 | Purple | Greyed purple group 186A |
Pattern of second colour on the dorsal side of the flag (standard petal), see Fig.1
Legend:
Sparse streaks
Medium amount of streaks
Dense streaks
Uniform coverage of second colour
| Code | Term | Description |
|---|---|---|
| 1 | Determinate | |
| 2 | Semi-determinate | |
| 3 | Indeterminate |
Average number of the racemes from 3 randomly selected plants in a row
Average of 10 randomly selected pods from 3 randomly selected plants in a row
Main colour of the pod. RHS colour codes are given in parentheses beside the descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | Green | Yellow-green group 144A |
| 2 | Purple | Greyed-purple group 183A |
| 3 | Mixed, purple and green | |
| 4 | Dark purple | Greyed-purple group 187A |
| Code | Term | Description |
|---|---|---|
| 1 | Flat | |
| 2 | Cylindrical |
| Code | Term | Description |
|---|---|---|
| 1 | Glabrous | |
| 2 | Pubescent |
Distance between lowest and topmost pod on the plant
| Code | Term | Description |
|---|---|---|
| 1 | Plain | |
| 2 | Mottled | |
| 3 | Speckled | |
| 4 | Mottled and speckled | |
| 5 | Ringed |
RHS colour codes are given in paretheses beside the descriptor states
| Code | Term | Description |
|---|---|---|
| 1 | White | White-yellow group 158C |
| 2 | Cream | Greyed-white group 156C |
| 3 | Orange | Greyed-orange group 163B |
| 4 | Light brown | Yellow-orange group 22C |
| 5 | Reddish-brown | Reddish-brown group 200D |
| 6 | Light grey | Grey-brwon group 199B |
| 7 | Grey | Greyed-green group 197A |
| 8 | Purple | Greyed-purple group 187A |
| 9 | Dark purple | Black group 202A |
| 10 | Dark grey | Black group 202B |
Second colour of seed coat coded as in 4.3.2 for base colour
Colour ariund hilum, coded as in 4.3.2 for base colour
Legend:
Narrow
Medium
Wide
See fig 3
| Code | Term | Description |
|---|---|---|
| 1 | Oval | Egg shape |
| 2 | Globular | Pea shape |
| 3 | Square | Angular |
| 4 | Elongate |
presence of seed strophiole
| Code | Term | Description |
|---|---|---|
| 0 | Absent | |
| + | Present |
estimated from a random sample taken from total row yield
Ratio of total grain yield and total biological yield taken from 3 randomly selected plants in a row
Legend:
Low
Medium
High
Calculated from seed-pod ratio of 3 randomly selected plants in a row
Legend:
Low
Medium
High